LT1085CM-3.3#PBF Linear Technology, LT1085CM-3.3#PBF Datasheet - Page 6

• Manufacturer Part Number: LT1085CM-3.3#PBF
• Description: IC LDO REG FIXED 3.3V 3A DDPAK-3
• Manufacturer: Linear Technology

Specifications of LT1085CM-3.3#PBF

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 25V
• Voltage - Dropout (typical): 1.3V @ 3A
• Number Of Regulators: 1
• Current - Output: 3A
• Current - Limit (min): 3.2A
• Operating Temperature: 0°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-2, D⊃2Pak (2 leads + Tab), TO-263AB
• Primary Input Voltage: 20V
• Output Voltage Fixed: 3.3V
• Dropout Voltage Vdo: 1.3V
• No. Of Pins: 3
• Output Current: 3A
• Operating Temperature Range: 0°C To +125°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Voltage Regulator Type: Linear
• Topology: LDO
• Regulator Output Type: Fixed
• Polarity Type: Positive
• Number Of Outputs: Single
• Input Voltage (min): 4.3V
• Input Voltage (max): 25V
• Output Voltage: 3.3V
• Package Type: DDPAK
• Power Dissipation: 30W
• Load Regulation: 0.1%
• Line Regulation: 0.015%
• Output Voltage Accuracy: ±1%
• Operating Temp Range: 0C to 150C
• Operating Temperature Classification: Commercial
• Dropout Voltage@current (max): 1.5@3A
• Dropout Voltage@current (typ): 1.3@3A
• Pin Count: 3 +Tab
• Mounting: Surface Mount
• Quiescent Current (max): 10mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LT1083/LT1084/LT1085 Fixed
TYPICAL PERFOR A CE CHARACTERISTICS
6
40
70
60
40
30
20
80
70
60
50
30
20
10
80
50
10
0
0
10
10
LT1083/4/5-5 Ripple Rejection
LT1083/4/5-12 Ripple Rejection
I
I
(V
OUT
OUT
(V
IN
IN
= I
– V
= I
– V
V
FULLLOAD
V
FULLLOAD
OUT
RIPPLE
RIPPLE
100
100
OUT
) ≥ V
) ≥ V
FREQUENCY (Hz)
FREQUENCY (Hz)
≤ 3V
≤ 3V
DROPOUT
DROPOUT
* AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
P-P
P-P
60
50
40
30
20
10
1k
1k
0
50
LT1084 Maximum Power
Dissipation*
(V
(V
IN
IN
LT1084CT
60 70 80 90 100 110 120 130 140 150
– V
– V
OUT
V
≤ 0.5V
V
≤ 0.5V
10k
10k
OUT
RIPPLE
RIPPLE
W
1083/4/5 FIXED G13
1083/4/5 FIXED G10
CASE TEMPERATURE (°C)
) ≥ 3V
) ≥ 3V
P-P
P-P
LT1084CK
U
100k
100k
LT1084MK
LT1084CP
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
LT1083/4/5 FIXED G16
LT1083/4/5-5 Ripple Rejection
vs Current
0
LT1083/4/5-12 Ripple Rejection
vs Current
0
f
V
R
RIPPLE
= 20kHz
OUTPUT CURRENT (0 TO I
OUTPUT CURRENT (0 TO I
f
V
R
0.2
RIPPLE
0.2
= 20kHz
≤ 0.5V
≤ 0.5V
P-P
0.4
0.4
P-P
f
V
f
V
R
R
RIPPLE
RIPPLE
0.6
0.6
= 120Hz
= 120Hz
FULLLOAD
FULLLOAD
≤ 3V
≤ 3V
* AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
1083/4/5 FIXED G11
1083/4/5 FIXED G14
0.8
0.8
50
40
30
20
10
P-P
0
P-P
50
LT1085 Maximum Power
Dissipation*
)
)
60 70 80 90 100 110 120 130 140 150
1.0
1.0
CASE TEMPERATURE (°C)
LT1085MK
–1.0
–2.0
* AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
100
LT1085CK
2.0
1.0
90
80
70
60
50
40
30
20
10
0
0
–50
50
Temperature Stability
LT1083 Maximum Power
Dissipation*
60 70 80 90 100 110 120 130 140 150
LT1085CT
–25
CASE TEMPERATURE (°C)
0
TEMPERATURE (°C)
LT1083/4/5 FIXED G17
LT1083MK
25
LT1083CK
50
LT1083CP
75
LT1183/4/5 FIXED G12
100
LT1083/4/5 FIXED G15
125
1083ffd
150